How To Fix /IWBEP/CM_MGW_GENER030 - Provide valid Property name for field '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_GENER -

• Message number: 030

• Message text: Provide valid Property name for field '&1'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_GENER030 - Provide valid Property name for field '&1' ?

  The SAP error message /IWBEP/CM_MGW_GENER030 with the description "Provide valid Property name for field '&1'" typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the property name specified in the OData service definition, which is not recognized or is invalid.
  Cause:
  
  Invalid Property Name: The property name specified in the OData model does not match any of the properties defined in the underlying data model or entity type.
  Typographical Errors: There may be a typo in the property name, leading to the system being unable to recognize it.
  Model Definition Issues: The OData service might not be properly defined, or the metadata might not be correctly generated.
  Changes in Data Model: If the underlying data model has changed (e.g., fields added or removed) and the OData service has not been updated accordingly, this error can occur.
  
  Solution:
  
  Check Property Names: Verify that the property name specified in the OData service matches exactly with the property names defined in the data model. Pay attention to case sensitivity and spelling.
  Update OData Service: If there have been changes to the underlying data model, regenerate the OData service metadata. This can be done using transaction code /IWFND/MAINT_SERVICE to maintain the service and refresh the metadata.
  Check Service Implementation: Ensure that the service implementation (e.g., the DPC and MPC classes) correctly references the properties defined in the model.
  Debugging: Use the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service and see the exact request being sent. This can help identify where the invalid property name is being referenced.
  Check Annotations: If you are using annotations, ensure that they are correctly defined and that the property names used in annotations are valid.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To maintain OData services.
  /IWFND/GW_CLIENT: To test OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Documentation: Refer to the SAP Gateway documentation for best practices on defining and implementing OData services.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_MGW_GENER030.